A world commission might indeed take into account the existing spread of a language to be in its favor. In that case, the result of the world decision would be the consolidation of this reality. If, however, the world community builds sufficient will on this issue and/or considers the choice of an existing language inherently limiting or agreement on one intractable, a language could surely be invented and then subsequently consolidated.
If other political results can be successfully achieved which while depending on need (which already exists in this case as well) does not depend on conditions universally currently favoring its adoption (e.g. , anti-segregation laws in the U.S.), why should we need to view language policy as being dependent on the language already existing? The success of Hebrew being resusciated for use in Israel should provide a good example that where there is a will, there is a way. We need to build among the peoples of the world the notion that we are world ... more.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.